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Edit this profileAt a glance
- 1141 N Loop 1604 E, 105-434, San Antonio, TX 78232
About Dr. Iznaola -Esquivel
Oscar A. Iznaola -Esquivel, M.D. practices internal medicine in San Antonio, TX. Oscar is also listed as specializing in geriatric medicine, student in an organized health care education program, and nephrology. According to Medicare claims data, Oscar cared for 353 Medicare patients across 2,137 services. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes, and hemodialysis procedure with physician evaluation. The provider's National Provider Identifier (NPI) is 1699968560.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (361) 239-2851
- Email not available
Practice Locations
1141 N LOOP 1604 E 105-434
San Antonio, TX 78232
Conditions Commonly Evaluated or Treated
Within Internal Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Allergies
- Diabetes
- Flu
- Hypothyroidism
- Strep throat
- UTI
Cardiometabolic
Digestive and liver
Endocrine, blood, and bone
Infectious disease
Kidney and urinary
Respiratory
Blood & Circulation
Blood disorders
Brain & Nerves
Brain and nerves
Cardiac and vascular
Digestive
Heart & Circulation
Infections
Kidney & Bladder
Lungs & Breathing
Mental Health
Neurologic and behavioral
Pain
Rheumatologic and pain
Procedures & services
Most searched procedures
- Annual physical
- Blood test
- Flu shot
- Medicare wellness visit
- Sick visit
- TB test
- Well-woman exam
Preventive and evaluation
- Medication management
- Post-hospital transitional care
Screening and diagnostic testing
Bones & Joints
Brain and nerves
Cancer screening
- Colon Cancer Screening Referral
- Mammogram Referral
Digestive
Exams & Consultations
Heart & Circulation
Heart health
- Cardiac Stress Test Referral
Imaging referral
- Abdominal Ultrasound Referral
Immunizations
Lab tests
Lungs & Breathing
- At-Home Sleep Study Order
Metabolic & Weight
- Weight Loss Injections and Medication
Minor procedures
Office procedures
Office Procedures
- Skin Tag and Mole Removal
- Vitamin B12 Injections
- Wart Removal
Pain management
Preventive & Routine Care
Screenings & Diagnostics
Sexual health
Procedures Most Often Billed to Medicare
2,137 services · 353 patients · 6 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Hemodialysis procedure with physician evaluation | Treatment | 90935 |
206 | More than most peers in Internal Medicine |
| Dialysis services, 4 or more physician visits per month (20 years or older) | Treatment | 90960 |
112 | As often as other peers in Internal Medicine |
| Dialysis services, 2-3 physician visits per month (20 years or older) | Treatment | 90961 |
61 | More often than most peers in Internal Medicine |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
1,005 | More than most peers in Internal Medicine |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
699 | More than most peers in Internal Medicine |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
54 | As often as other peers in Internal Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other internists in San Antonio 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 2000 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Hemodialysis procedure with physician evaluation 8
Providers in TX who bill this service to Medicare most often.
Common questions
What kind of doctor is Oscar A. Iznaola -Esquivel?
Oscar A. Iznaola -Esquivel is an internist in San Antonio, TX. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
What is Oscar A. Iznaola -Esquivel's address?
Oscar A. Iznaola -Esquivel is listed at 1141 N Loop 1604 E 105-434, San Antonio, TX 78232. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Oscar A. Iznaola -Esquivel?
The number on file is (361) 239-2851. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Oscar A. Iznaola -Esquivel's NPI number?
Oscar A. Iznaola -Esquivel's National Provider Identifier is 1699968560. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Oscar A. Iznaola -Esquivel train?
Oscar A. Iznaola -Esquivel attended Other, graduating in 2000. This comes from the CMS National Downloadable File.
CMS public data
How long has Oscar A. Iznaola -Esquivel been practicing?
Oscar A. Iznaola -Esquivel has 26 years experience. Calculated from a graduation year of 2000, reported in the CMS National Downloadable File.
CMS public data
What procedures does Oscar A. Iznaola -Esquivel perform?
According to Medicare billing data, Oscar A. Iznaola -Esquivel provides treatments such as hemodialysis procedure with physician evaluation and dialysis services, 4 or more physician visits per month, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Oscar A. Iznaola -Esquivel confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Oscar A. Iznaola -Esquivel. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.